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Fenuron
red · PUD · PDU · 1,1-DIMETHYL-3-PHENYLUREA · Dibar · DYRK5 · KAYRON · PDU(R)
Identifikatoren & physikalische Daten
| CAS No. | 101-42-8 |
|---|---|
| Summenformel | C9H12N2O |
| Durchschnittliche Molmasse | 164,2 g/mol |
| Monoisotopische Masse | 164,09496301 g/mol |
| SMILES | CN(C)C(=O)Nc1ccccc1 |
| InChIKey | XXOYNJXVWVNOOJ-UHFFFAOYSA-N |
| PubChem CID | 7560 |
| ChEMBL | CHEMBL1492698 |
| ChEBI | CHEBI:5013 |
| EC No. | 202-941-4 |
| DTXSID | DTXSID7037551 |
| Lokaler Name | Fenuron |
Chemische & physikalische Eigenschaften
| XLogP | 1 |
|---|---|
| Polarare Oberfläche (TPSA) | 32,3 |
| H-Brücken-Donoren | 1 |
| H-Brücken-Akzeptoren | 1 |
| Frei drehbare Bindungen | 1 |
| Schwere Atome | 12 |
| Formalladung | 0 |
| Komplexität | 151 |
| SpringerMaterials Properties | Boiling point |
| Pestizide | HerbicidesActive substance -> EU Pesticides database: Not approvedPesticides -> Herbicides, Urea DerivativePesticide (Fenuron) -> USDA PDB |
| LogP (Verteilungskoeffizient) | 1.18 |
| Dichte | 1.08 at 20 °C/20 °C1.1062 (rough estimate) |
| Color/Form | White, crystalline solidColorless crystalline solidColorless crystals |
| Löslichkeit | Sol in water 4.8 g/l at room temperature. Moderately sol in acetone and aromatic solvents. sparingly soluble in petroleum oils. /Fenuron trichloroacetate/3850 ppm @ 25 °CSparingly sol in water (0.29% at 24 °C)Solubility (25 °C): 3.85 g/l watersparingly soluble in hydrocarbons.In ethanol 108.8, diethylether 5.5, acetone 80.2, benzene 3.1, chloroform 125, n-hexane 0.2, groundnut oil 1.0 (all in g/kg at 20-25 °C)In water 3.85 g/l at 25 °CChloroform (Slightly), Methanol (Slightly)2.40g/L(25 ºC) |
| Corrosivity | Non-corrosive |
| Decomposition | Fenuron decomposes in boiling strong bases or mineral acids.When heated to decomp ... emits toxic fumes of /nitrogen oxides/. |
| Schmelzpunkt | 133-134 °CMelting point: 65-68 °C /Fenuron trichloroacetate/131-133° |
| Dampfdruck | 0.0000375 [mmHg]1.6x10-4 mm Hg at 60 °C0.002Pa at 60℃ |
| Henry-Konstante | Henry's Law constant of 9.71X10-10 atm-cu m/mole at 25 °C (estimated)4.9×103 mol/(m3Pa) at 25℃, Duchowicz et al. (2020) |
| Physical Description | Dry PowderWhite or colorless solid[HSDB] Off-white powder[MSDSonline] |
| Siedepunkt | 291.67°C (rough estimate) |
| Brechungsindex | 1.5373 (estimate) |
| Flammpunkt | 2 °C |
| Lagerbedingungen | Sealed in dry,Room Temperature |
| pKa (Säurekonstante) | 15.09±0.70(Predicted) |
| Aggregatzustand | Solid |
| Farbe | White |
| Biologische Quelle | human |
| Merck | 13,4037 |
| BRN | 2208535 |
| Specific Activity | 194-290nmol/min·mg |
| LogP (Verteilungskoeffizient) | 0.98 |
| CAS Datenbank | 101-42-8(CAS DataBase Reference) |
| EPA chemische Informationen | Fenuron (101-42-8) |
Sicherheit & Vorschriften
| GHS-Einstufung | This chemical does not meet GHS hazard criteria for 12.6% (25 of 199) of reports.WarningH319 (27.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]P203, P261, P264+P265, P271, P273, P280, P304+P340, P305+P351+P338, P318, P319, P337+P317, P391, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 199 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|---|
| Regulatorische Informationen | Chemical: Urea, N,N-dimethyl-N'-phenyl-Urea, N,N-dimethyl-N'-phenyl- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Urea, N,N-dimethyl-N'-phenyl- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)REACH registered substance: Fenuron (EC: 202-941-4)Urea, N,N-dimethyl-N'-phenyl-: Does not have an individual approval but may be used under an appropriate group standard |
| Gefahrenübersicht | Urea-derived herbicides have low toxicity in animal feeding studiesMay induce methemoglobinemiaAfter daily doses of 150 mg/kg for 10 months, guinea pigs had anemia, hypothyroidism, and injury to the liver, kidneys, and heartNo effects in rats fed 500 ppm for 90 days[HSDB] Systemic toxicity unlikely unless large amounts ingested[EPA Pesticides, p. 122] May be hydrolyzed to aniline causing methemoglobinemia[Merck Index] May cause irritation[MSDSonline] |
| Hazard Classes and Categories | Eye Irrit. 2 (27.1%) |
| Skin, Eye, and Respiratory Irritations | Non-irritating to skin |
| Entsorgungsverfahren | The products /of decomposition/ ... are both toxic, thus precluding hydrolysis as a disposal method. |
| Ökotoxizitätswerte | LC50 Guppy 610 mg/l/48 hr /Conditions of bioassay not specified/ |
Anwendungen & Verwendung
Verwenden
Fenuron is an phenylurea based herbicide used to control brush on chaparral watersheds.